Tencent Cloud Developer
May 8, 2023 · Cloud Native
Troubleshooting Common Kubernetes Networking Issues: Cross-VPC NodePort Timeouts, LB Pressure Test CPS Low, DNS Delays, and More
This guide walks through eight frequent Kubernetes networking problems in Tencent Cloud Kubernetes Service—such as cross‑VPC NodePort timeouts, low load‑balancer CPS, DNS resolution delays, apiserver access lag, mis‑configured resolv.conf, liveness‑probe failures, and externalTrafficPolicy = Local timeouts—explaining their root causes and providing concrete kernel, iptables, DNS, and configuration fixes.
DNSKubernetesLB
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